body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

.container {
    /* 增大宽度，可根据需求调整 */
    width: 90%; 
    /* 增大最大宽度，可根据需求调整 */
    max-width: 600px; 
    /* 上下外边距为 50px，左右自动居中 */
    margin: 50px auto; 
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: #fff;
}

.back-button {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

.header-title {
    font-size: 16px;
    font-weight: bold;
    color: #666;
}

.title-input {
    width: calc(100% - 20px); /* 考虑内边距 */
    padding: 10px;
    margin: 15px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.separator {
    height: 1px;
    background-color: #ddd;
    margin: 0 15px;
}

.content-area {
    display: flex;
    align-items: center;
    margin: 15px;
}

.text-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    min-height: 100px;
}

.upload-button {
    width: 80px;
    height: 80px;
    background-color: #ddd;
    border: none;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
}

.publish-button {
    width: 100px;
    padding: 10px;
    background-color: #ff9900;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    margin: 15px;
    font-size: 16px;
}